Portfolio

What changed in the operations of companies that hired Kansai

Each case tells what was holding the company back, what we built and the gain measured afterwards. Client names are kept confidential.

Finance

Digital wallet rebuilt from scratch

-40%in app loading time

A slow, dated app was driving customers to other banks while competitors offered a better native experience.

See details

Challenge: A slow, dated app was driving customers to other banks while competitors offered a better native experience.
Solution: A new Flutter app for iOS and Android with offline support, biometrics and real-time balance updates.
Outcome: The app stopped being a source of complaints and became a reason customers stayed.
Technologies: Flutter · iOS · Android · Biometrics · Real time

Finance

An engineering team with a method

3xfaster team delivery

The in-house team shipped slowly, with many defects and no shared coding standard across squads.

See details

Challenge: The in-house team shipped slowly, with many defects and no shared coding standard across squads.
Solution: Technical mentoring, mandatory code review, continuous integration and a delivery routine defined with the team.
Outcome: Predictable deliveries, less rework and a shared coding standard across teams.
Technologies: DevOps · CI/CD · Code review · Clean Code

Logistics

Logistics management platform

+45%team productivity

A monolithic system blocked growth, and every update risked stopping the operation.

See details

Challenge: A monolithic system blocked growth, and every update risked stopping the operation.
Solution: Split into independent modules with Next.js and TypeScript, released separately and faster to load.
Outcome: Updates started going out every week, with less risk in each release.
Technologies: Next.js · TypeScript · Micro-frontends · CI/CD

Logistics

Modernization of a critical ERP

-60%in system maintenance cost

An unsupported VB6 ERP kept the operation slow, exposed and impossible to connect to new systems.

See details

Challenge: An unsupported VB6 ERP kept the operation slow, exposed and impossible to connect to new systems.
Solution: Step-by-step replacement with a web application in .NET and React, with a SQL Server database on Azure.
Outcome: The system became cheaper to maintain and started integrating with partners easily.
Technologies: .NET · React · SQL Server · Azure

Retail

Customer service automated with applied AI

-70%in customer service operating cost

Support costs were growing faster than sales, and queue times were generating complaints.

See details

Challenge: Support costs were growing faster than sales, and queue times were generating complaints.
Solution: An assistant trained on the company's knowledge base that answers common questions and hands to the team whatever needs a person.
Outcome: Instant answers at any hour, and a team focused on the cases that need judgment.
Technologies: Python · RAG · Vector search · Help desk integration

Retail

Online store ready for sales peaks

-30%in infrastructure cost

The store went down on its busiest days, exactly when it sold the most.

See details

Challenge: The store went down on its busiest days, exactly when it sold the most.
Solution: AWS infrastructure that scales up and down with demand, aggressive caching and a distributed database.
Outcome: The store stayed up through Black Friday with lower infrastructure costs.
Technologies: AWS Lambda · Kubernetes · Terraform · Redis

Retail

Franchise network under unified management

+25%efficiency in managing the network

Stock and sales were tracked by hand at each location, with no consolidated view of the network.

See details

Challenge: Stock and sales were tracked by hand at each location, with no consolidated view of the network.
Solution: Process mapping and a single system for every location, with dashboards updated in real time.
Outcome: Management now sees stock and sales for the whole network in one place and has cut losses.
Technologies: BPMN · BI · Real-time dashboards

Healthcare

Patient data protection

The company needed to comply with Brazil's General Data Protection Law and protect sensitive patient data before expanding.

See details

Challenge: The company needed to comply with Brazil's General Data Protection Law and protect sensitive patient data before expanding.
Solution: Security built into the development cycle, end-to-end encryption and automated vulnerability scanning.
Outcome: Sensitive data protected and processes ready for audit.
Technologies: Data protection · Pentest · Vault · SonarQube

Manufacturing

Industrial supplies marketplace

4 weeksto the first version going live

Validate a business-to-business marketplace on a small budget and a tight deadline.

See details

Challenge: Validate a business-to-business marketplace on a small budget and a tight deadline.
Solution: Fast discovery with a clickable prototype, then building only the essential features.
Outcome: Product live in weeks, validated with real buyers and used to raise investment.
Technologies: Figma · First version · Analytics